<div>Hello,</div>
<div>&nbsp;</div>
<div>I&#39;m using sems with ser 0.9.7-pre6&nbsp; and I have a problem with ACK, as you can see , the other part is not acceting them, what is wrong... ?</div>
<div>just, the SIP is going via a IPSEC vpn.</div>
<div>&nbsp;</div>
<div>Thanks for your help</div>
<div>&nbsp;</div>
<div>Laurent</div>
<div>&nbsp;</div>
<div>
<p>? <a href="http://212.190.89.140">212.190.89.140</a> -&gt; <a href="http://212.249.14.236">212.249.14.236</a><br>&nbsp; <a href="mailto:............s....Y...5..E.....@....d..Y...}9.......fSIP/2.0">............s....Y...5..E.....@....d..Y...}9.......fSIP/2.0
</a> 486 Busy here..Via: SIP/2.0/UDP <a href="http://195.129.125.57">195.129.125.57</a>;branch=z9hG4bK8ec6.3148d226.0..From: 417875185<br>&nbsp; 51 &lt;<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com
</a>&gt;;tag=568D320F-461F45CB000A78E3-40807960..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..Date: Fri, 13 Apr 2007<br>&nbsp;&nbsp; 08:56:47 GMT..Call-ID: <a href="mailto:5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.236..Server">
5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.236..Server</a>: Cisco-SIPGateway/IOS-12.x..CSeq: 10 INVITE..Allow-Events: telephone-ev<br>&nbsp; ent..Content-Length: 0....</p>
<p>U <a href="http://212.190.89.137:5060">212.190.89.137:5060</a> -&gt; <a href="http://195.129.125.57:5060">195.129.125.57:5060</a><br>&nbsp; SIP/2.0 486 Busy here..Via: SIP/2.0/UDP <a href="http://195.129.125.57">195.129.125.57
</a>;branch=z9hG4bK8ec6.3148d226.0..From: 41787518551 &lt;<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com</a>&gt;;tag=568D320F-461F4<br>&nbsp; 5CB000A78E3-40807960..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">
sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..Date: Fri, 13 Apr 2007 08:56:47 GMT..Call-ID: 5A1CFF5D-461F45CB000A78EE-40<br>&nbsp; <a href="mailto:807960@212.249.14.236..Server">807960@212.249.14.236..Server</a>: Cisco-SIPGateway/IOS-
12.x..CSeq: 10 INVITE..Allow-Events: telephone-event..Content-Length: 0....</p>
<p>? <a href="http://212.249.14.236">212.249.14.236</a> -&gt; <a href="http://212.190.89.140">212.190.89.140</a><br>&nbsp; <a href="mailto:................koG.B...E.....@.@..&amp;..}9..Y.........ACK">................koG.B...E.....@.@..&amp;..}9..Y.........ACK
</a> <a href="mailto:sip:+41787518551@212.190.89.137">sip:+41787518551@212.190.89.137</a> SIP/2.0..Via: SIP/2.0/UDP <a href="http://195.129.125.57">195.129.125.57</a>;branch=z9hG4bK8ec6.3148d<br>&nbsp; 226.0..From: 41787518551 &lt;
<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com</a>&gt;;tag=568D320F-461F45CB000A78E3-40807960..Call-ID: <a href="mailto:5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.23">5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.23
</a><br>&nbsp; 6..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..CSeq: 10 ACK..User-Agent: Sip EXpress router(0.9.7-pre6 (x86_64/linux))..Content-Length: 0...
<br>&nbsp; .</p>
<p>? <a href="http://212.190.89.140">212.190.89.140</a> -&gt; <a href="http://212.249.14.236">212.249.14.236</a><br>&nbsp; ................gT.[_...E.....@....c..Y...}9.......fSIP/2.0 486 Busy here..Via: SIP/2.0/UDP <a href="http://195.129.125.57">
195.129.125.57</a>;branch=z9hG4bK8ec6.3148d226.0..From: 417875185<br>&nbsp; 51 &lt;<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com</a>&gt;;tag=568D320F-461F45CB000A78E3-40807960..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">
sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..Date: Fri, 13 Apr 2007<br>&nbsp;&nbsp; 08:56:47 GMT..Call-ID: <a href="mailto:5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.236..Server">5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.236..Server
</a>: Cisco-SIPGateway/IOS-12.x..CSeq: 10 INVITE..Allow-Events: telephone-ev<br>&nbsp; ent..Content-Length: 0....</p>
<p>U <a href="http://212.190.89.137:5060">212.190.89.137:5060</a> -&gt; <a href="http://195.129.125.57:5060">195.129.125.57:5060</a><br>&nbsp; SIP/2.0 486 Busy here..Via: SIP/2.0/UDP <a href="http://195.129.125.57">195.129.125.57
</a>;branch=z9hG4bK8ec6.3148d226.0..From: 41787518551 &lt;<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com</a>&gt;;tag=568D320F-461F4<br>&nbsp; 5CB000A78E3-40807960..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">
sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..Date: Fri, 13 Apr 2007 08:56:47 GMT..Call-ID: 5A1CFF5D-461F45CB000A78EE-40<br>&nbsp; <a href="mailto:807960@212.249.14.236..Server">807960@212.249.14.236..Server</a>: Cisco-SIPGateway/IOS-
12.x..CSeq: 10 INVITE..Allow-Events: telephone-event..Content-Length: 0....</p>
<p>? <a href="http://212.249.14.236">212.249.14.236</a> -&gt; <a href="http://212.190.89.140">212.190.89.140</a><br>&nbsp; ............|ovW. <a href="mailto:..5.izE.....@.@..&amp;..}9..Y.........ACK">..5.izE.....@.@..&amp;..}9..Y.........ACK
</a> <a href="mailto:sip:+41787518551@212.190.89.137">sip:+41787518551@212.190.89.137</a> SIP/2.0..Via: SIP/2.0/UDP <a href="http://195.129.125.57">195.129.125.57</a>;branch=z9hG4bK8ec6.3148d<br>&nbsp; 226.0..From: 41787518551 &lt;
<a href="mailto:sip:+41787518551@bylltel.com">sip:+41787518551@bylltel.com</a>&gt;;tag=568D320F-461F45CB000A78E3-40807960..Call-ID: <a href="mailto:5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.23">5A1CFF5D-461F45CB000A78EE-40807960@212.249.14.23
</a><br>&nbsp; 6..To: &lt;<a href="mailto:sip:+41787518551@212.190.89.137">sip:+41787518551@212.190.89.137</a>&gt;;tag=6083161C-10B1..CSeq: 10 ACK..User-Agent: Sip EXpress router(0.9.7-pre6 (x86_64/linux))..Content-Length: 0...
</p></div>